Finding the Fourth Proportional to 256,367.98, 384,580.08 and 106,625.98
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Solution
The fourth proportional to 256,367.98, 384,580.08 and 106,625.98 is: 159,950.66
Step by Step Solution
- Step 1: Write the proportion equation
256,367.98 : 384,580.08 = 106,625.98 : x - Step 2: Convert to fraction form
256,367.98/384,580.08 = 106,625.98/x - Step 3: Cross multiply
256,367.98x = 384,580.08 × 106,625.98 - Step 4: Simplify right side
256,367.98x = 41,006,227,918.48 - Step 5: Solve for x
x = 41,006,227,918.48/256,367.98 - Step 6: Final answer
x = 159,950.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.